Optical properties of organic-based periodic structures

Daniele E. Lucchetta; Francesco Vita; Riccardo Castagna; Oriano Francescangeli; Francesco Simoni

doi:10.1117/12.733630

12 September 2007 Optical properties of organic-based periodic structures

Daniele E. Lucchetta, Francesco Vita, Riccardo Castagna, Oriano Francescangeli, Francesco Simoni

Proceedings Volume 6654, Liquid Crystals XI; 66540M (2007) https://doi.org/10.1117/12.733630
Event: Photonic Devices + Applications, 2007, San Diego, California, United States

Abstract

Holographic techniques allow the recording of homogeneous, high resolution, large-area light intensity patterns in photo sensitive organic materials. The choice of proper experimental conditions easily permits the fabrication of 1D, 2D and 3D periodic and quasi-periodic structures. In this work we present a simple way to fabricate planar complex photonic structures characterized by high dielectric contrast values. To this purpose we used polymer dispersed liquid crystals as photosensitive material for the holographic recording, followed by the removal of the liquid crystal from the recorded structures via a specific solvent, thus obtaining large area regular polymer-air patterns. The obtained structures have been simulated, recorded in the substrates and optically characterized in planar light guided configurations. The relevant optical properties have been analyzed by means of a theoretical approach formally derived from the dynamical theory of x-ray diffraction. The presented experimental technique allows easy fabrication of optical integrated devices to be used either as high sensitivity sensors or in the field of optical telecommunications.

Citation Download Citation

Daniele E. Lucchetta, Francesco Vita, Riccardo Castagna, Oriano Francescangeli, and Francesco Simoni "Optical properties of organic-based periodic structures", Proc. SPIE 6654, Liquid Crystals XI, 66540M (12 September 2007); https://doi.org/10.1117/12.733630

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